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7783 (1994 JD)
Classification: Inner Main-belt Asteroid          SPK-ID: 2007783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07755318924040851 3.6688e-08  
a 1.934277865106822 5.4823e-09 au
q 1.784268447790659 7.0873e-08 au
i 23.54105934227286 4.1094e-06 deg
node 96.20956609547687 1.0839e-05 deg
peri 15.29446162664739 3.1909e-05 deg
M 353.6015180955824 3.0199e-05 deg
tp 2459017.964299281140
(2020-Jun-17.46429928)
8.2451e-05 TDB
period 982.5999096550842
2.69
4.1774e-06
1.144e-08
d
yr
n .3663749573581465 1.5576e-09 deg/d
Q 2.084287282422985 5.9075e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1667  
   data-arc span      12395 days (33.94 yr)  
   first obs. used      1986-05-09  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:25:39  

Additional Information
 Earth MOID = .80449 au 
 Jupiter MOID = 3.0804 au 
 T_jup = 3.805 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO324380  
diameter diameter 2.227 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.83 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.816   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7783 (1994 JD)          Discovered 1994-May-04 by Spahr, T. B. at Catalina Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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